DEFERRED RESPONSE TO A PREFETCH REQUEST

专利名称：DEFERRED RESPONSE TO A PREFETCH

REQUEST

发明人：Michael Karl Gschwind,Valentina

Salapura,Chung-Lung K. Shum

申请号：US15186986申请日：20160620

公开号：US20170132135A1公开日：20170511

专利附图：

摘要：Preventing a prefetch memory operation from causing a transaction to abort byreceiving by a local processor a prefetch request from a remote processor. Determining

whether the prefetch request conflicts with a transaction of the local processor.Responding to at least one of i) a determination that the local processor has notransaction, and ii) a determination that the prefetch request does not conflict with atransaction of the local processor, by providing a requested prefetch data. Respondingto a determination that the prefetch request conflicts with a transaction of the localprocessor by determining an evaluation of the prefetch request. Performing at least oneof i) an abort of the prefetch request, ii) a quiesce the prefetch request, iii) a delay in theprocessing of the prefetch request for a delay period, and iv) an execution of theprefetch request based on the evaluation the prefetch request.

申请人：International Business Machines Corporation

地址：Armonk NY US

国籍：US

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